feather,fur,hair,skin有什么区别?各举几个搭配,谢谢

feather,fur,hair,skin有什么区别?各举几个搭配,谢谢 fur和 feather可不可数 hair,feather ,down ,wool有什么区别 feather feather feather zebra,stripe,koala,fur,feather,turtle,shell,leopard,spot的复数形式是什么? ski ski fur 英语翻译polyester cira ;fur fleece ;polyester feather fur ;core velour ; sueded fleece ;leopard jaquard ;micro polar fleece ;waffle knit ;sherpa lined ;fleece sherpa Look at the (羽毛）of my parrot.They are very nice.为什么用feathers不用fur,还有什么时候用单数,什么用复数（fur和feather的区别） fur is the thick coat of soft hair covering the skin of an animal 翻译谢谢不要机器翻译，谢谢 feather and feather 意思? feather是什么意思 feather 小朋友 feather音标